Radeon R9 M390X and GeForce GTX 480M SLI - video card comparison
Radeon R9 M390X
GeForce GTX 480M SLI
Architecture
GCN 3 (2014−2016)
Fermi (2010−2014)
GPU code name
Amethyst (XT) / Tonga
N11E-GTX-A3
Market segment
Laptop
Laptop
Release date
June 2015
May 2010
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
None
-
Core clock speed
723 MHz
425 MHz
Floating-point performance
2,961 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
6000 Million
Pipelines / CUDA cores
2048
704
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
92.54
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
1200 MHz
Memory bandwidth
160.0 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
Eyefinity
1
-
DirectX
DirectX® 12
11
Mantle
+
-
OpenCL
Not Listed
-
OpenGL
4.4
-
Shader Model
6.3
-
Vulkan
+
-
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-